What are the best areas for solar in Washington?

The top-rated areas for solar in Washington are ZIP 98040 (score: 100/100), ZIP 98121 (score: 100/100), ZIP 98625 (score: 100/100). Rankings are based on walkability, median household income, population density, and existing competition.

What makes a good location for solar?

A strong location for solar combines high walkability (foot traffic), solid median income (spending power), sufficient population density, and manageable competition. Our opportunity score weighs all four factors on a 0–100 scale.

How does Washington compare to other states for solar?

Washington averages 100/100 across 20 scored ZIP codes — rated a excellent market. Scores factor in walkability, income, population, and competition.

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Best Cities for Solar Panel Costs in Washington

← Washington Overview

Top 20 ZIP codes ranked by opportunity score. Score combines walkability (foot traffic), population density, median income, and solar installers competition.

The top markets here average $157,492 in household income, with 30.0 existing solar installers per ZIP. ZIP 98040 leads at 100, $202,359 median income, zero existing solar installers.

80–100 Excellent 60–79 Good 40–59 Fair <40 Challenging

Sort by:

#	ZIP Code	Score	Walkability	Median Income	Solar Installers
#1	ZIP 98040 Pop. 25 Thousand	100 Excellent	—	$202,359	0
#2	ZIP 98121 Pop. 21 Thousand	100 Excellent	—	$148,974	0
#3	ZIP 98625 Pop. 7 Thousand	100 Excellent	—	$118,536	0
#4	ZIP 98117 Pop. 35 Thousand	100 Excellent	—	$182,500	0
#5	ZIP 98116 Pop. 28 Thousand	100 Excellent	—	$130,504	0
#6	ZIP 98029 Pop. 31 Thousand	100 Excellent	—	$164,058	0
#7	ZIP 98380 Pop. 5.2 Thousand	100 Excellent	—	$123,162	0
#8	ZIP 98024 Pop. 4.6 Thousand	100 Excellent	—	$152,726	0
#9	ZIP 98112 Pop. 24 Thousand	100 Excellent	—	$162,073	0
#10	ZIP 98019 Pop. 12 Thousand	100 Excellent	—	$156,003	0
#11	ZIP 98014 Pop. 7.7 Thousand	100 Excellent	—	$157,680	0
#12	ZIP 98065 Pop. 16 Thousand	100 Excellent	—	$182,132	0
#13	ZIP 98101 Pop. 16 Thousand	100 Excellent	—	$128,143	0
#14	ZIP 99005 Pop. 11 Thousand	100 Excellent	—	$123,259	0
#15	ZIP 98074 Pop. 31 Thousand	100 Excellent	—	$234,013	0
#16	ZIP 98008 Pop. 27 Thousand	100 Excellent	—	$175,242	0
#17	ZIP 98004 Pop. 39 Thousand	100 Excellent	—	$176,367	0
#18	ZIP 98332 Pop. 20 Thousand	100 Excellent	—	$122,827	0
#19	ZIP 98077 Pop. 14 Thousand	100 Excellent	—	$179,625	0
#20	ZIP 98290 Pop. 40 Thousand	99 Excellent	—	$129,656	30

Data updated March 2026. Sources: Census Bureau ACS 2023, USDA National Walkability Index 2021, County Business Patterns 2022.

What the Data Shows

Opportunity is spread across Washington, not locked in one metro. The top ZIPs average $157,492 in household income. The common thread: solar demand that outpaces supply. These markets have room.

How to Use This Table

Click any ZIP for a full breakdown: demographics, nearby competition, and walkability score. The opportunity score weights income, foot traffic, and competition equally. If your concept skews upscale, sort by Income. If lunch crowds matter more, sort by Walkability.

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